Shift types | Model 1 | Model 2 | |||
n (%) | OR (95% CI) | P value | OR (95% CI) | P value | |
Day shift | 300 (23.6%) | 1.00 | – | 1.00 | – |
Night shift | 442 (34.8%) | 2.64 (1.91 to 3.66) | <0.001 | 2.21 (1.60 to 3.07) | <0.001 |
Rotating night shift | 528 (41.6%) | 3.18 (2.32 to 4.36) | <0.001 | 2.36 (1.73 to 3.22) | <0.001 |
Model 1 is crude. Model 2 is adjusted for age, job tenure, smoking and exercise.
CI, confidence interval; OR, odds ratio.